Apr
21.
An Upper Level Low Pressure Trough (“U” shape) helps a frontal system push into and through the Pacific Northwest. The graphics for days 1-3 show a frontal system moving through Wednesday. The graphics for days 3-7 Friday through Tuesday show a stationary frontal system to the East of the Pacific Northwest attempting to push westward, but not having any success.
ADVISORIES:
- NONE AT THIS TIME.
HEALTH ADVISORIES:
- A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.
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SKI REPORT:
Willamette Pass Ski: Is closed until better snow conditions for Spring skiing.
Hoodoo Ski: Is closed until better snow conditions for Spring skiing.
Mt. Ashland Ski: IS CLOSED FOR THE SEASON.
Be sure to check their web pages for the latest updates.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 31 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 7 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 8 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly cloudy with a good (50%) chance of showers late tonight (under 0.10 in. of rain possible),
- Mostly cloudy with rain and a bit cooler Wednesday (0.50 in. of rain possible), cloudy with evening showers likely (70%), just mostly cloudy late Wednesday night,
- Mostly cloudy start, sunny and a bit warmer Thursday afternoon, mostly clear at night,
- Sunny and a bit warmer Friday, then clear Friday night.
- lows 44-39 warming to 40 Friday highs 57-68.
- Sunny and Saturday, mostly clear Saturday night,
- Mostly sunny and a bit cooler Sunday, partly cloudy with a slight (20%) chance of rain at night,
- Mostly sunny and a bit warmer with slight (20%) chance of rain Monday, partly cloudy Monday night,
- Then mostly sunny and a bit warmer Tuesday.
- highs 68-65 warming to 69 Tuesday lows 40-44. (seasonal averages high 63 low 41).
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: ABSENT (0)
TREE POLLEN: HIGH (145)
WEEDS: ABSENT (0)
Wednesday 4.21.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with rain and a (30%) chance of thunderstorms tonight, a good (50%) chance of rain late tonight (under o.10 in. of rain possible),
- Mostly cloudy with AM rain likely (70%), mostly cloudy with rain a good (50%) chance of rain Wednesday afternoon (under 0.10 in. of rain possible), a good (50%) chance of evening rain, just mostly cloudy late Wednesday night,
- Mostly sunny and a bit warmer Thursday, mostly clear at night,
- Sunny and a bit warmer Friday, then clear Friday night.
- lows 45-40 highs 59-70.
- Sunny and a bit cooler Saturday, mostly clear Saturday night,
- Mostly sunny and a bit cooler with a slight (20%) chance of Sunday, partly cloudy at night,
- Mostly sunny with a slight (20%) chance of rain Monday, partly cloudy Monday night,
- Then mostly sunny and a bit warmer Tuesday.
- highs 69-66 warming to 70 Tuesday lows 42-44. (seasonal averages high 65 low 43).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a (40%) chance of rain late tonight,
- Mostly cloudy and a bit cooler with rain likely (70%) Wednesday afternoon, (under 0.10 in. of rain ), mostly cloudy with a (40%) chance of rain Wednesday night,
- Clouds and sun with a slight (20%) chance of AM rain, a mix of clouds and sun and a bit warmer Thursday afternoon, mostly clear at night,
- Sunny and a bit warmer Friday, then clear Friday night.
- lows 47-43 warming to 46 Friday night highs 54-60.
- Sunny and a bit cooler Saturday, mostly clear Saturday night,
- Mostly sunny and a bit cooler with a slight (20%) chance of rain Sunday, partly cloudy at night,
- Mostly sunny with a slight (20%) chance of rain Monday, partly cloudy Monday night,
- Then mostly sunny and a bit warmer Tuesday.
- highs 59-57 warming back to 59 Tuesday lows 46-47 warming back to 46 Sunday night. (seasonal averages high 57 low 45).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with rain and snow showers tonight (0.25 in. of rain possible, 1-3 in. of snow possible),
- Mostly cloudy with rain and snow and a bit cooler Wednesday (0.50 in. of rain possible, 1-4 in of snow possible), cloudy with evening rain and snow showers likely (70%), just mostly cloudy late Wednesday night,
- Clouds and sun with a (40%) chance of rain and snow showers, a mix of clouds and sun and a bit warmer Thursday, mostly clear at night,
- Sunny and a bit warmer Friday, then mostly clear Friday night.
- snow level 4,500 ft. tonight and Wednesday, 4,000 ft. Wednesday night, 3,500 ft. rising to 5,000 ft. Thursday, free air freezing level 7,500 ft. Thursday night and Friday, then 8,000 ft. Friday night.
- lows 32-29 warming back to 32 Friday night highs 37-56.
- Mostly sunny and a bit cooler with a (40%) chance of rain Saturday, partly cloudy with a (30%) chance of evening rain, mostly clear with a (30%) chance of rain Saturday night,
- Mostly sunny and a bit cooler with a good (50%) chance of rain and snow Sunday, mostly cloudy with a good (50%) chance of rain and snow at night,
- A mix of clouds and sun and a bit warmer with a good (50%) chance of rain and snow, mostly cloudy with a (40%) chance of evening rain and a slight (20%) chance snow, partly cloudy with a (40%) chance of rain and a slight (20%) chance of snow late Monday night,
- Then mostly sunny and a bit warmer with (40%) chance of rain and snow Tuesday afternoon.
- snow level 6,000 ft. Saturday, 5,500 ft. Saturday night, 5,000 ft. Sunday, 5,500 ft. Sunday night, 5,000 ft. Monday, 5,500 ft. Monday night, then 5,5o0 ft. Tuesday.
- highs 53-49warming to 54 Tuesday lows 32-33.
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